CH-1786
Simple cells
Chemistry · Secondary 4 · Medium · Simple cells
A simple cell is made using zinc and copper electrodes in dilute sulfuric acid. The voltmeter shows a positive reading when the copper is connected to the positive terminal.
Which statement about the metals is correct?
Which statement about the metals is correct?
- Zinc is more reactive than copper
- Copper is more reactive than zinc
- Both metals have the same reactivity
- Neither metal is oxidised in the cell
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